Skip test case "testRotation" on automotive device as it only support Landscape.

In a car, you cannot physically rotate the screen, so it doesn't make sense
to allow anything but the default orientation. Skip test case "testRotation"
on automotive device as it only support Landscape.

Bug: 117811028
Test: run cts -m CtsAppTestCases -t android.app.cts.DisplayTest#testRotation

Change-Id: Ifbdf4f16d5cd4e04474808934be4b8b0b7dca3ef
2 files changed